To test this out, the researchers built an Android app with four games in it: 2048, Lexica, and Logo Maniac, and an app for handwriting to capture swipes, taps, and keystrokes.
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They then got 89 people to use this app and captured 40,600 gestures, and researchers were able to correctly identify users using information from all of the gestures.
Dali Kaafar, who is the chief scientist at Optus Macquarie University Cyber Security Hub and group leader for information security and privacy at CSIRO Data61, told BuzzFeed News that the app measured the acceleration, the velocity of the swipes, the tap pressure, and the way people write characters, and used all that information to identify people.
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